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Posted by benick on May 25, 2007, 10:48 pm
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>> >> >>> 1507.8.3 Underlayment.
>> >> >>> Underlayment shall comply with ASTM D 226, Type I or ASTM D 4869.
>> >> >>> In
>> >> >>> areas where there has been a history of ice forming along the
>> >> >>> eaves
>> >> >>> causing a backup of water, an ice barrier that consists of at
>> >> >>> least
>> >> >>> two layers of underlayment cemented together or of a self-adhering
>> >> >>> polymer-modified bitumen sheet shall be used in lieu of normal
>> >> >>> underlayment and extend from the eave's edge to a point at least
>> >> >>> 24
>> >> >>> inches (610 mm) inside the exterior wall line of the building.
>>
>> >> >> This particular item does not require extending beyond the wall
>> >> >> line.
>> >> >> I included that because a lot of installer do not realize that
>> >> >> extension is required and the intent is to have Ice and Water
>> >> >> Shield
>> >> >> where damming is possible. This situation is why the code has
>> >> >> multiple sections. We must design and build as close to the letter
>> >> >> AND the intent of the code as possible, not forgetting real
>> >> >> situational constraints. We also must understand that ALL
>> >> >> conditions
>> >> >> can not be addressed in a single book, and that meeting the Code
>> >> >> Minimum is equal to passing high school with a D-.
>>
>> >> >> 1507.2.9 Flashings.
>> >> >> Flashing for asphalt shingles shall comply with this section.
>> >> >> Flashing
>> >> >> shall be applied in accordance with this section and the asphalt
>> >> >> shingle manufacturer's printed instructions.
>>
>> >> > You would not make it in a real city. I don't want to be rude, but
>> >> > you're
>> >> > better off sticking to a small town in Utah. By stating absurd
>> >> > remarks
>> >> > such as " Minimum is equal to passing high school with a D-", I
>> >> > highly
>> >> > doubt you get paid funds by any city or state. You are putting
>> >> > emotions
>> >> > above the job. Is it any wonder you are asking in different groups
>> >> > attempting to keep up to date with codes? Real inspection jobs pay
>> >> > for
>> >> > continuing education, be it private industry, or working for uncle
>> >> > Sam.
>> >> > Just try telling a contractor, you red tagged the work because it
>> >> > meets
>> >> > minimum.
>>
>> >> > You're skirting the code issue, _you_ brought up, by citing a
>> >> > totally
>> >> > different code for flashings. Please further address what was being
>> >> > discussed. In fact, the code _you_ cited, specifically states "In
>> >> > areas
>> >> > where there has been a history, blah, blah". Being this is, what
>> >> > appears
>> >> > to be new construction, there isn't a history. Plus, this is an
>> >> > unheated
>> >> > area, and w&i shield can not be applied in the way, this code cites.
>>
>> >> > There's a reason why I'm calling you on this. I did contract work
>> >> > for
>> >> > roof
>> >> > inspections, in 4 larger cities, all in 1 county. The area was in
>> >> > the
>> >> > Midwest, where temperatures fluctuate widely.
>>
>> >> > BTW, I'm not against water & ice shield. In fact, I would prefer to
>> >> > see
>> >> > it
>> >> > used as if every deck surface was heated.
>>
>> >> > On second thought, please do not address this issue any further. You
>> >> > really don't know what you're talking about, so why should I waste
>> >> > my
>> >> > time, proving you don't?
>>
>> >> Well you would BOTH be wrong here on the Maine coast we dam near
>> >> cover
>> >> the whole building with Ice and Water Shield and still sometimes get
>> >> leaks
>> >> from wind driven rain off the water even on unheated porches and
>> >> garages...You would be surprised where water gets driven by a 60 MPH
>> >> gale.....LOL
>>
>> > And therefore, if you live in Minneapolis MN, you should ice and water
>> > the whole roof because of conditions in Maine? LOL!
>>
>> No moron . My point was it depends on where you live NOT just "The
>> Codes"
>> The codes don't require the whole building to be covered here BUT
>> EXPERIENCED contractors know to take LOCAL
>> CONDITIONS(waterfront,direction
>> of exposure, ect.)into account. Last I checked MN has about 10,000 lakes
>> as
>> well as big open fields and wind driven rain..I typed slow so maybe you
>> could follow along.
>>
>>
>
> Well, call me a moron if you want.
Moron
I don't get involved in flame
> wars.
you just did
We were having a discussion about ice and water shield as
> protection against leaks caused by ice damming and whether an unheated
> porch requires it.
So was I
You bust in
Didn't realize this was a privite discussion
and say that because of wind driven
> rain in maine
Didn't realize wind driven rain was exclusive to Maine
, we should be using ice and water on unheated porches.
Yep sometimes
> That just doesn't make sense.
I'll try to type slower
It's like me busting into a discussion
> about protecting a structure from termites in Mississippi and saying
> that the footings should be 54" deep cause that's how we do it in
> Minnesota.
HUH??? MORON
>
> I have worked for people who wanted ice and water over their whole
> roof. Sure doesn't hurt, but at 30 bucks a square, it's not exactly
> cheap.
As compared to what??Paying for water damage
Again, I just have not seen leaks on roofs. I've seen leaks
> from ice dams, and leaks from bad flashing, but on a big simple roof
> with adequate pitch, I just haven't ever seen leaks.
Big SIMPLE roof??? Do they build them that way anymore???lol
Dormer,skylights and funky valleys seem to be the norm .
Now if you live
> somewhere where conditions are extreme then by all means use ice and
> water instead of tarpaper.
I'm glad we finally agree....
>
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